PHDid You Know 
- M&M's chocolate stands for the initials for its inventors Mars and Murrie
- the fortune cookie was invented in San Francisco
- the croissant was invented in Austria
- pop corn was invented by the Aztec Indians
- Venetian blinds were invented in Japan
- the wheelbarrow is invented in China
- instant coffee was invented in 1901
- the electric chair was invented by a dentist
- the electric toothbrush was invented in 1939
- Isaac Newton invented the cat door
- the doorbell was invented in 1831
- he tea bag was invented in 1908
- volleyball was invented in 1895
- the revolving door was invented in 1888
- the lie detector was invented in 1921
- the drinking straw was invented in 1886
- Scissors were most likely invented ancient Egypt
- Shakespeare invented the words 'assassination' and 'bump'
- bulletproof vests, fire escapes, windshield wipers, and laser printers were all all invented by women
- John Kellogg invented corn flakes
- Pez was invented in 1927
- the elevator was invented in 1850
- the first toothbrush was invented in 1498
- Franklin Mars invented the Snickers Bar in 1930
- the hottest chile in the world is the habanero
- instant mashed potatoes (dehydrated potato flakes) were invented in Canadian in 1962
- the corkscrew was invented in 1890
- the typewriter was invented in 1829
- the dishwasher was invented in 1889
- the wristwatch was invented in 1904